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- Precious Metal Ion 贵金属离子
- Kunming Precious Metal Catalyst Co., Ltd. 昆明贵研催化剂有限责任公司。
- DUNHILL Precious Metal Pipe Adornment Care Cloth. 烟斗布也是它的精美烟具之一。
- A costly ornament of precious metal or gems. 金银首饰珍贵的金属或宝石制成的昂贵装饰品
- A rectangular block of a precious metal. 贵重金属的长方块
- Having only one metal ion or positive radical. 只有一个金属离子或正基的
- Welcome to Jinduo Precious Metal Materials Co., Ltd. 欢迎您访问金铎贵金属!
- To combine(a metal ion)with a chemical compound to form a ring. 把（一个金属离子）与化学复合物结合成环
- Precious metal in non-coin form such as ingots, bars or wafers. 非硬币形状的贵金属，例如金块或金条。
- To combine(a metal ion) with a chemical compound to form a ring. 把（一个金属离子）与化学复合物结合成环
- My father deals in precious metals. 我父亲在经营贵金属的生意。
- The metal ion and the anion of the mineral acid form an insoluble salt. 金属离子和无机酸的阴离子生成一种难溶的盐。
- To wash(gravel,for example) in a pan for gold or other precious metal. 淘金在盘子中冲洗（如矿砂）以便得到金子或其它珍贵的金属。
- Influence of Metal Ion Contents on Enzymatic Deinking Process ZHANG Su-feng g. 用量左右。关键词:酶脱墨;金属离子;螯合。
- As a kind of precious metal, gold symbolizes wealth and power from of old . 黄金作为一种稀贵金属,自古以来就是财富与权力的象征。
- Silver: quiet. Value fluctuate lower in line with other precious metals on both bullion and futures market. 银：清淡。由于受最近交易低潮的影响，银和其他贵重金属一样，期货和现货市场的数量下降。
- When rare earth metal ion is used, the tetrazine is opened with unusually way. 而稀土与四嗪作用时发现四嗪环的异常开环。
- The synthesis conditions, chelant, metal ion and buffer were optimized. 确定了最佳的合成方法、螯合剂、金属离子和缓冲体系。
- Export and sales of all types of precious metal industrial products. 出口和销售各种贵金属工业产品。
- To wash(gravel, for example) in a pan for gold or other precious metal. 淘金在盘子中冲洗（如矿砂）以便得到金子或其它珍贵的金属
